Another "Help me choose a new system" post!

OK -- I need a bit of help choosing a new system, as always. Looking to build either of the following using parts purchased from Monarchcomputer.com. The common parts will be:

Thermaltake 600W power supply
Athlon 64 FX-60 Dual Core
2 Gig Corsair TWINX2048 3200C2PRO RAM
WD 150gig Raptor 10K Harddrive
Standard DVDRW and CDRW drives

Now, my choices are in the motherboard and videocard depts. I can either go with:

A8N32-SLI Deluxe nForce4 SLI
TWO eVGA 7800GTX 256MB

OR

ASUS A8R-MVP Crossfire
ONE Connect3D X1900XT 512MB and
ONE Connect3D X1900XTX 512MB

Price is roughly the same, give or take about $200 for the Crossfire setup and perhaps limited availability. Thanks in advance for any suggestions!!

SciFiFan

prozac is right about how the two X1900's will kill two 7800GTX's. However, you may want to read about the Asus A8R - MVP:

Here's a review:
http://www.anandtech.com/mb/showdoc.aspx?i=2617

If you do decide to go the Crossfire route. Asus just released it's A8R32 - MVP and a few other companies are soon to follow with motherboards based on the Socket 939 and the ATI RD580 chip.

http://www.anandtech.com/mb/showdoc.aspx?i=2703

Although there won't be an enormous amount of choices among motherboards supporting both the ATI RD580 chip and Socket 939 since it seems like quite a few companies are skipping the Socket939 and waiting for the AM2 to be released.

All your other specs seem top tier, nice job. 8)

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I hope this helps.